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[NS7704ZBE], Technical Note, Thomas Alva Edison, Charles Batchelor, June 4th, 1877

Title: [NS7704ZBE], Technical Note, Thomas Alva Edison, Charles Batchelor, June 4th, 1877
Editor's Notes: mult.: offset relays
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-06-04
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NS7704-F
Microfilm ID: 7:620
Document ID: NS7704ZBE
URL: https://edisondigital.rutgers.edu/document/NS7704ZBE
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 7
License: CC0 1.0 Universal